static void remove_dns_server_entry_groups(void) { if (resolv_conf_entry_group) avahi_s_entry_group_reset(resolv_conf_entry_group); if (dns_servers_entry_group) avahi_s_entry_group_reset(dns_servers_entry_group); }
static void reload_config(void) { #ifdef HAVE_INOTIFY /* Refresh in case the config dirs have been removed */ add_inotify_watches(); #endif #ifdef HAVE_KQUEUE add_kqueue_watches(); #endif #ifdef ENABLE_CHROOT static_service_load(config.use_chroot); static_hosts_load(config.use_chroot); #else static_service_load(0); static_hosts_load(0); #endif static_service_add_to_server(); static_hosts_add_to_server(); if (resolv_conf_entry_group) avahi_s_entry_group_reset(resolv_conf_entry_group); load_resolv_conf(); update_wide_area_servers(); update_browse_domains(); if (config.publish_resolv_conf && resolv_conf_name_servers && resolv_conf_name_servers[0]) resolv_conf_entry_group = add_dns_servers(avahi_server, resolv_conf_entry_group, resolv_conf_name_servers); }
static void server_callback(AvahiServer *s, AvahiServerState state, AVAHI_GCC_UNUSED void * userdata) { assert(s); /* Called whenever the server state changes */ switch (state) { case AVAHI_SERVER_RUNNING: /* The serve has startup successfully and registered its host * name on the network, so it's time to create our services */ if (!group) create_services(s); break; case AVAHI_SERVER_COLLISION: { char *n; int r; /* A host name collision happened. Let's pick a new name for the server */ n = avahi_alternative_host_name(avahi_server_get_host_name(s)); fprintf(stderr, "Host name collision, retrying with '%s'\n", n); r = avahi_server_set_host_name(s, n); avahi_free(n); if (r < 0) { fprintf(stderr, "Failed to set new host name: %s\n", avahi_strerror(r)); avahi_simple_poll_quit(simple_poll); return; } } /* Fall through */ case AVAHI_SERVER_REGISTERING: /* Let's drop our registered services. When the server is back * in AVAHI_SERVER_RUNNING state we will register them * again with the new host name. */ if (group) avahi_s_entry_group_reset(group); break; case AVAHI_SERVER_FAILURE: /* Terminate on failure */ fprintf(stderr, "Server failure: %s\n", avahi_strerror(avahi_server_errno(s))); avahi_simple_poll_quit(simple_poll); break; case AVAHI_SERVER_INVALID: ; } }
void ControllerDiscoveryMDNS::avahi_server_callback( AvahiServer * server, AvahiServerState state, void * userdata ) { ControllerDiscoveryMDNS * self = ( ControllerDiscoveryMDNS * )userdata; switch ( state ) { case AVAHI_SERVER_RUNNING: { self->create_service( server ); break; } case AVAHI_SERVER_COLLISION: { char * new_name = avahi_alternative_host_name( avahi_server_get_host_name( server ) ); (void)avahi_server_set_host_name( server, new_name ); avahi_free( new_name ); // TODO : check ret break; } case AVAHI_SERVER_REGISTERING: { if ( self->group ) { avahi_s_entry_group_reset( self->group ); } break; } case AVAHI_SERVER_FAILURE: { g_warning( "AVAHI SERVER FAILURE : %s", avahi_strerror( avahi_server_errno( server ) ) ); break; } case AVAHI_SERVER_INVALID: { break; } } }
DBusHandlerResult avahi_dbus_msg_entry_group_impl(DBusConnection *c, DBusMessage *m, void *userdata) { DBusError error; EntryGroupInfo *i = userdata; assert(c); assert(m); assert(i); dbus_error_init(&error); avahi_log_debug(__FILE__": interface=%s, path=%s, member=%s", dbus_message_get_interface(m), dbus_message_get_path(m), dbus_message_get_member(m)); /* Introspection */ if (dbus_message_is_method_call(m, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) return avahi_dbus_handle_introspect(c, m, "org.freedesktop.Avahi.EntryGroup.xml"); /* Access control */ if (strcmp(dbus_message_get_sender(m), i->client->name)) return avahi_dbus_respond_error(c, m, AVAHI_ERR_ACCESS_DENIED, NULL); if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Free")) { if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { avahi_log_warn("Error parsing EntryGroup::Free message"); goto fail; } avahi_dbus_entry_group_free(i); return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Commit")) { if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { avahi_log_warn("Error parsing EntryGroup::Commit message"); goto fail; } if (avahi_s_entry_group_commit(i->entry_group) < 0) return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "Reset")) { if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { avahi_log_warn("Error parsing EntryGroup::Reset message"); goto fail; } avahi_s_entry_group_reset(i->entry_group); i->n_entries = 0; return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "IsEmpty")) { if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { avahi_log_warn("Error parsing EntryGroup::IsEmpty message"); goto fail; } return avahi_dbus_respond_boolean(c, m, !!avahi_s_entry_group_is_empty(i->entry_group)); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "GetState")) { AvahiEntryGroupState state; if (!dbus_message_get_args(m, &error, DBUS_TYPE_INVALID)) { avahi_log_warn("Error parsing EntryGroup::GetState message"); goto fail; } state = avahi_s_entry_group_get_state(i->entry_group); return avahi_dbus_respond_int32(c, m, (int32_t) state); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddService")) { int32_t interface, protocol; uint32_t flags; char *type, *name, *domain, *host; uint16_t port; AvahiStringList *strlst = NULL; if (!dbus_message_get_args( m, &error, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_UINT32, &flags, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &type, DBUS_TYPE_STRING, &domain, DBUS_TYPE_STRING, &host, DBUS_TYPE_UINT16, &port, DBUS_TYPE_INVALID) || !type || !name || avahi_dbus_read_strlst(m, 8, &strlst) < 0) { avahi_log_warn("Error parsing EntryGroup::AddService message"); goto fail; } if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) { avahi_string_list_free(strlst); return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); } if (domain && !*domain) domain = NULL; if (host && !*host) host = NULL; if (avahi_server_add_service_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, host, port, strlst) < 0) { avahi_string_list_free(strlst); return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); } if (!(flags & AVAHI_PUBLISH_UPDATE)) i->n_entries ++; avahi_string_list_free(strlst); return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddServiceSubtype")) { int32_t interface, protocol; uint32_t flags; char *type, *name, *domain, *subtype; if (!dbus_message_get_args( m, &error, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_UINT32, &flags, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &type, DBUS_TYPE_STRING, &domain, DBUS_TYPE_STRING, &subtype, DBUS_TYPE_INVALID) || !type || !name || !subtype) { avahi_log_warn("Error parsing EntryGroup::AddServiceSubtype message"); goto fail; } if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); if (domain && !*domain) domain = NULL; if (avahi_server_add_service_subtype(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, subtype) < 0) return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); if (!(flags & AVAHI_PUBLISH_UPDATE)) i->n_entries ++; return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "UpdateServiceTxt")) { int32_t interface, protocol; uint32_t flags; char *type, *name, *domain; AvahiStringList *strlst; if (!dbus_message_get_args( m, &error, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_UINT32, &flags, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &type, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INVALID) || !type || !name || avahi_dbus_read_strlst(m, 6, &strlst)) { avahi_log_warn("Error parsing EntryGroup::UpdateServiceTxt message"); goto fail; } if (domain && !*domain) domain = NULL; if (avahi_server_update_service_txt_strlst(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, type, domain, strlst) < 0) { avahi_string_list_free(strlst); return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); } avahi_string_list_free(strlst); return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddAddress")) { int32_t interface, protocol; uint32_t flags; char *name, *address; AvahiAddress a; if (!dbus_message_get_args( m, &error, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_UINT32, &flags, DBUS_TYPE_STRING, &name, DBUS_TYPE_STRING, &address, DBUS_TYPE_INVALID) || !name || !address) { avahi_log_warn("Error parsing EntryGroup::AddAddress message"); goto fail; } if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); if (!(avahi_address_parse(address, AVAHI_PROTO_UNSPEC, &a))) return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_ADDRESS, NULL); if (avahi_server_add_address(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, name, &a) < 0) return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); if (!(flags & AVAHI_PUBLISH_UPDATE)) i->n_entries ++; return avahi_dbus_respond_ok(c, m); } else if (dbus_message_is_method_call(m, AVAHI_DBUS_INTERFACE_ENTRY_GROUP, "AddRecord")) { int32_t interface, protocol; uint32_t flags, ttl, size; uint16_t clazz, type; char *name; void *rdata; AvahiRecord *r; if (!dbus_message_get_args( m, &error, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_UINT32, &flags, DBUS_TYPE_STRING, &name, DBUS_TYPE_UINT16, &clazz, DBUS_TYPE_UINT16, &type, DBUS_TYPE_UINT32, &ttl, DBUS_TYPE_INVALID) || !name || avahi_dbus_read_rdata (m, 7, &rdata, &size)) { avahi_log_warn("Error parsing EntryGroup::AddRecord message"); goto fail; } if (!(flags & AVAHI_PUBLISH_UPDATE) && i->n_entries >= server->n_entries_per_entry_group_max) return avahi_dbus_respond_error(c, m, AVAHI_ERR_TOO_MANY_ENTRIES, NULL); if (!avahi_is_valid_domain_name (name)) return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_DOMAIN_NAME, NULL); if (!(r = avahi_record_new_full (name, clazz, type, ttl))) return avahi_dbus_respond_error(c, m, AVAHI_ERR_NO_MEMORY, NULL); if (avahi_rdata_parse (r, rdata, size) < 0) { avahi_record_unref (r); return avahi_dbus_respond_error(c, m, AVAHI_ERR_INVALID_RDATA, NULL); } if (avahi_server_add(avahi_server, i->entry_group, (AvahiIfIndex) interface, (AvahiProtocol) protocol, (AvahiPublishFlags) flags, r) < 0) { avahi_record_unref (r); return avahi_dbus_respond_error(c, m, avahi_server_errno(avahi_server), NULL); } if (!(flags & AVAHI_PUBLISH_UPDATE)) i->n_entries ++; avahi_record_unref (r); return avahi_dbus_respond_ok(c, m); } avahi_log_warn("Missed message %s::%s()", dbus_message_get_interface(m), dbus_message_get_member(m)); fail: if (dbus_error_is_set(&error)) dbus_error_free(&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; }
static void remove_static_service_group_from_server(StaticServiceGroup *g) { assert(g); if (g->entry_group) avahi_s_entry_group_reset(g->entry_group); }
static void remove_static_host_from_server(StaticHost *h) { avahi_s_entry_group_reset (h->group); }